and there is where it is going to be housed permanently at the california science center in los angeles. astronaut mark kelly asked for a special fly by of tucson, arizona on the way here for his wife, the wounded congress woman, gabrielle giffords can see it one more time. >> hundreds cheered the shuttle arrival in houston, and in mountain view, police estimate 8,000 people will try to see it on friday, and they encourage to take mass transit or carpool. nasa says it's reached its cap on parking passes. >> and friday morning is going to be flown to the state capitol in sacramento and going to make a pass over the east bay starting in hayward at about 8:30 in the morning then going to circle the golden gate bridge skb do a low pass fly by over nasa ames research center whereas nauts were trained to pilot that shuttle. >> bay area air pass has been closed for the fly overbut we think and hope to be able to get you good shots. so tune in friday. >> we hope fog will cooperate. >> and still to come tonight here on abc 7 news, a deadly chemical nound a common staple of the diet. we're going